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int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
std::string targetfile = lpCmdLine; //注册文件类型后,双击对应文件类型,这个值将接收目标文件
//查找主窗体是否已经运行
HWND hwnd = ::FindWindow(NULL, _T("MainWnd"));
if (hwnd != NULL) {
//如果用户通过双击打开关联的文件,则尝试打开文件
if (targetfile.size()) {
//const char * tf = "你就是个god"; //成功
//const char * tf = targetfile.data(); //失败
//MessageBox(hwnd, tf, NULL, 0);//全部成功,正确显示双击的文件路径
::SendMessage(hwnd, WM_OPENTARGETFILE, 0, (LPARAM)tf);
}
return 0;
}
else {
//主窗体没运行,就运行主窗体
CMainWnd* pFrame = new CMainWnd;
if (pFrame == NULL) return 0;
pFrame->Create(NULL, _T("MainWnd"), UI_WNDSTYLE_FRAME, 0L, 0, 0, 990, 690);
pFrame->CenterWindow();
pFrame->ShowModal();
delete pFrame;
return 0;
}
}
////
BOOL CMainFrame::GetExeCommand(char *fullname,char* command)
{// ""%1" 1*" for .bat file
// "xxx.exe %1"
// ""\a b\c\yyy.exe" /p %1"
char ext[40];
char pathname[MAX_PATH];
char exename[MAX_PATH];
char *at=0;
strcpy(pathname,fullname);
// must ".xxx"
if((at=strrchr(fullname,'.'))==NULL) return FALSE;
strcpy(ext,at);
char open_key[MAX_PATH];
DWORD openkeylen=MAX_PATH;
char shellname[MAX_PATH]="shell";
// under shell may be different "open","cplopen","Open with"...
BYTE extfile[MAX_PATH];
DWORD cbextfile=MAX_PATH;
DWORD dwType=REG_SZ;
HKEY hkey;
HKEY hsubkey;
// from ".xxx" get "xxxfile"
// C:\Users\Shen Hui\AppData\Roaming\Heinote\hnote.exe %1
// HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\. txt
DWORD dwErrorCode=RegOpenKeyEx(HKEY_CLASSES_ROOT,ext,0,KEY_READ,&hkey);
if (dwErrorCode != ERROR_SUCCESS)
{ // error not found
command[0]=0;
return FALSE;
}
else
{ // ".xxx" OK
// get "xxxfile"
dwErrorCode=RegQueryValueEx(hkey,NULL,0,&dwType,extfile,&cbextfile);
RegCloseKey(hkey);
char tmp[MAX_PATH];
sprintf(tmp,"%s\\%s",extfile,shellname);// "cppfile\\shell"
if (dwErrorCode == ERROR_SUCCESS)
{// "cppfile\\shell"
dwErrorCode=RegOpenKeyEx(HKEY_CLASSES_ROOT,tmp,0,KEY_READ,&hsubkey);
if (dwErrorCode == ERROR_SUCCESS)
{// "cppfile\\shell"
LONG enumErr=ERROR_SUCCESS;
DWORD j=0;
FILETIME ftLastWriteTime;
while (enumErr==ERROR_SUCCESS || enumErr==ERROR_MORE_DATA)
{
cbextfile=260;// re-init
openkeylen=MAX_PATH;// re-init
enumErr=RegEnumKeyEx(hsubkey,j,open_key,&openkeylen,
NULL,NULL,NULL,&ftLastWriteTime);
strcpy(tmp,open_key);
_strupr(tmp);
if(strstr(tmp,"OPEN")) // any "open"
{
sprintf(tmp,"%s\\%s\\%s\\command",extfile,shellname,open_key);// "cppfile\\shell"
break;
}
j++;
}
RegCloseKey(hsubkey);
if(enumErr!=ERROR_SUCCESS) return FALSE;
} // end with "shell" key
else
{ // no "shell" key
return FALSE;
}
// "shell\\...open...\\command"
dwErrorCode=RegOpenKeyEx(HKEY_CLASSES_ROOT,tmp,0,KEY_READ,&hsubkey);
cbextfile=260;// re-init
//extfile="%SystemRoot%\\system32\\NOTEPAD32.EXE %1"
dwErrorCode=RegQueryValueEx(hsubkey,NULL,0,&dwType,extfile,&cbextfile);
// if fullname contains space in its pathname ????
// if(strchr(fullname,' ')) sprintf(exename,"\"%s\"",fullname);
// else
strcpy(exename,fullname);
// replace "%SystemRoot%" to "c:\\winnt.400" //NT
if(strstr((char *)extfile,"%SystemRoot%"))
{
char windir[MAX_PATH];
GetWindowsDirectory(windir,MAX_PATH);
at=strchr((char *)extfile,'\\');// after "%SystemRoot%"
strcat(windir,at);
strcpy((char *)extfile,windir);
}
// parameterse
strcpy(tmp,(char*)extfile);
if(at=strstr(tmp,"%1"))
{
*(at+1)='s';// "%s"
sprintf(command,tmp,exename);
}
else
{
sprintf(command,"%s %s",tmp,exename);
}
RegCloseKey(hsubkey);
return TRUE;
}
else
{
command[0]=0;
return FALSE;
}
}
}
你的意思是说,的确是用多进程的,同时打开10文件,就有10个进程?你做过打开文件吗? 跨进程,可以考虑使用剪切板
先要 //允许用户通过Windows的文件管理器打开数据文件 EnableShellOpen(): 然后自己搜索RegisterShellFileTypes
跨进程,可以考虑使用剪切板